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1213102210003 = 1967421946997
BaseRepresentation
bin10001101001110010100…
…001101011101111010011
311021222020011211100012121
4101221302201223233103
5124333413131210003
62325142542235111
7153433542436015
oct21516241535723
94258204740177
101213102210003
11428523632422
12177135585a97
138a519bc50a8
1442a0069c1b5
15218500cbcbd
hex11a7286bbd3

1213102210003 has 8 divisors (see below), whose sum is σ = 1276969983120. Its totient is φ = 1149236465760.

The previous prime is 1213102209929. The next prime is 1213102210057. The reversal of 1213102210003 is 3000122013121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1213102210003 - 217 = 1213102078931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213102210093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807501 + ... + 1754497.

It is an arithmetic number, because the mean of its divisors is an integer number (159621247890).

Almost surely, 21213102210003 is an apocalyptic number.

1213102210003 is a deficient number, since it is larger than the sum of its proper divisors (63867773117).

1213102210003 is an equidigital number, since it uses as much as digits as its factorization.

1213102210003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014437.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1213102210003 its reverse (3000122013121), we get a palindrome (4213224223124).

The spelling of 1213102210003 in words is "one trillion, two hundred thirteen billion, one hundred two million, two hundred ten thousand, three".

Divisors: 1 19 67421 946997 1280999 17992943 63847484737 1213102210003